lwip/doc/savannah.txt

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Daily Use Guide for using Savannah for lwIP
Table of Contents:
1 - Anonymous CVS checkouts and updates (to be elaborated)
2 - Committers/developers CVS access using SSH (to be written)
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3 - Merging from DEVEL branch to main trunk (stable branch)
4 - How to release lwIP
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1 Anonymous CVS checkouts and updates
-------------------------------------
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Obtain lwIP from the CVS main trunk (stable)
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cvs -d:pserver:anoncvs@subversions.gnu.org:/cvsroot/lwip login
cvs -d:pserver:anoncvs@subversions.gnu.org:/cvsroot/lwip checkout lwip
Or, obtain a specific release as follows:
cvs -d:pserver:anoncvs@subversions.gnu.org:/cvsroot/lwip login
cvs -d:pserver:anoncvs@subversions.gnu.org:/cvsroot/lwip checkout -r STABLE-0_6_3 -d lwip-0.6.3 lwip
Or, obtain a development branch as follows:
cvs -d:pserver:anoncvs@subversions.gnu.org:/cvsroot/lwip login
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cvs -d:pserver:anoncvs@subversions.gnu.org:/cvsroot/lwip checkout -r DEVEL -d lwip-DEVEL lwip
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3 Merging from DEVEL branch to main trunk (stable)
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---------------------------------------------------------
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Merging is a delicate process in CVS and requires the
following disciplined steps in order to prevent conflicts
in the future. Conflicts can be hard to solve!
Merging from branch A to branch B requires that the A branch
has a tag indicating the previous merger. This tag is called
'merged_from_A_to_B'. After merging, the tag is moved in the
A branch to remember this merger for future merge actions.
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IMPORTANT: AFTER COMMITTING A SUCCESFUL MERGE IN THE
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REPOSITORY, THE TAG MUST BE SET ON THE SOURCE BRANCH OF THE
MERGE ACTION (REPLACING EXISTING TAGS WITH THE SAME NAME).
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Merge all changes in DEVEL since our last merge to main:
In the working copy of the main trunk:
cvs update -P -jmerged_from_DEVEL_to_main -jDEVEL
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(This will apply the changes between 'merged_from_DEVEL_to_main'
and 'DEVEL' to your work set of files)
If this worked out OK, we now move the tag in the DEVEL branch
to this merge point, so we can use this point for future merges:
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cvs rtag -F -r DEVEL merged_from_DEVEL_to_main lwip
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4 How to release lwIP
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---------------------
First, checkout a clean copy of the branch to be released. Tag this set with
tag name "STABLE-0_6_3". (I use release number 0.6.3 throughout this example).
Login CVS using pserver authentication, then export a clean copy of the
tagged tree. Export is similar to a checkout, except that the CVS metadata
is not created locally.
cvs -d:pserver:anoncvs@subversions.gnu.org:/cvsroot/lwip login
cvs -d:pserver:anoncvs@subversions.gnu.org:/cvsroot/lwip export -r STABLE-0_6_3 -d lwip-0.6.3 lwip
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Archive this directory using tar, gzip'd, bzip2'd and zip'd.
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tar czvf lwip-0.6.3.tar.gz lwip-0.6.3
First, make a local release directory to work in, I use "lwip-releases":
mkdir lwip-releases
cd lwip-releases
Now, make a new release by creating a new directory for it (these are
Savannah conventions so that it shows up in the Files list real nice):
mkdir stable.pkg
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mkdir stable.pkg 0.6.3
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We can now copy the tar archive we made earlier into the release directory:
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cp ../../../lwip-0.6.3.tar.gz .
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Finally, synchronize this directory upwards to Savannah:
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rsync -n -e "ssh -1" -t -u -v -r *.pkg likewise@savannah.nongnu.org:/upload/lwip
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This does a "dry run": no files are modified! After you have confirmed that
this is what you intended to do, remove "-n" and actually synchronize for
real. The release should now be available here:
http://savannah.nongnu.org/files/?group=lwip
---
Explanation of rsync options used:
-t: preserve file timestamps
-u: do not overwrite existing files, unless they are older
-v: be verbose (long format file attributes)
-r: recurse into directories
-n: dry-run, do not modify anything.
---
Additionally, you may post a news item on Savannah, like this:
A new 0.6.3 release is now available here:
http://savannah.nongnu.org/files/?group=lwip&highlight=0.6.3
You will have to submit this via the user News interface, then approve
this via the Administrator News interface.